Intel Xeon E5649 vs Intel Xeon Platinum 8256
Physical Specifications
| Socket | Intel Socket 1366 | Intel Socket 3647 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 14 nm |
| Transistors | 1,170 million | 8,000 million |
| Die size | 239 mm² | unknown |
| Package | FC-LGA10 | FC-LGA3647 |
Performance
| Frequency | 2.533 GHz | 3.8 GHz |
|---|---|---|
| Turbo clock | up to 2.8 GHz | up to 3.9 GHz |
| Base clock | 133 MHz | 100 MHz |
| Multiplier | 19.0x | 38.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.35 V | — |
| TDP | 80 W | 105 W |
Architecture Details
| Vertical Segment | Server/Workstation | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Feb 14th, 2011 | Dec 11th, 2018 |
| Codename | Westmere-EP | Cascade Lake-SP |
| Generation | Xeon | Xeon Platinum |
| Part | SLBZ8 | SRF94CD8069504194701 |
| Memory support | DDR3 Triple-channel | DDR4 |
| ECC memory | Yes | Yes |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 6 | 4 |
|---|---|---|
| Total Threads | 12 | 8 |
| SMP # CPUs | 2 | 8 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 1MB (per core) |
| Cache L3 | 12MB (shared) | 16.5MB (shared) |
Features & Technologies
| 5.86GT/s QPI | Yes | — |
|---|---|---|
| AES-NI | Yes | Yes |
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| ECC | — | Yes |
| EIST | Yes | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TXT | Yes | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
| XD-Bit | Yes | — |
| vPro | — | Yes |
| x8 SDDC | — | Yes |
